/* 全局样式 */
body {
  font-size: 1.4rem;
  text-align: left;
  padding: 0;
  margin: 0;
  min-width: 1150px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 头部样式 */
.site-header {
  border-bottom: 1px solid #e4e4e4;
}

/* 顶部横幅 */
.header-top {
  height: 3.5rem;
  border-bottom: 1px solid #ddd;
  background: #f2f2f2;
}

.site-link {
  float: left;
  line-height: 3.5rem;
  font-size: 1.2rem;
}

/* 主头部区域 */
.header-main {
  overflow: hidden;
}

.header-main::after {
  content: "";
  display: table;
  clear: both;
}

.header-logo {
  float: left;
  width: 30rem;
  height: 8rem;
}

.logo-wrapper {
  padding: 1rem 0 0;
}

.logo-wrapper img {
  height: 6.5rem;
  width: 40rem;
}

/* 导航栏 */
.main-nav {
  float: right;
  height: 8rem;
  position: relative;
}

.nav-container {
  height: 8rem;
  overflow: hidden;
  padding-top: 0.3rem;
}

.nav-list {
  margin: 0;
  padding: 0;
}

.nav-item {
  float: left;
  width: 9rem;
  line-height: 8rem;
  font-size: 1.4rem;
  color: #000;
  overflow: hidden;
  position: relative;
  height: 8rem;
  text-align: center;
}

.nav-item a:hover {
  color: #0da3e2;
}

.nav-item.current a {
  color: #0da3e2;
  font-weight: bold;
}

/* 主体部分 */
.site-main {
  min-height: 50rem;
  background: url(https://ncre.neea.edu.cn/res/Home/structure/object_con3_bg.png) no-repeat 10% bottom;
  flex: 1;
  width: 100%;
}

/* 新闻区域 */
.news-section {
  border-bottom: 1px solid #e4e4e4;
  height: 32rem;
  background: url(https://ncre.neea.edu.cn/res/Home/structure/jisuanj.jpg) no-repeat 78% bottom;
  width: 100%;
}

.news-content {
  height: 32rem;
  zoom: 1;
  margin: 0 auto;
}

.main-news {
  width: 53rem;
  margin-left: 1.5rem;
  padding-top: 4rem;
}

.news-title {
  display: block;
}

.news-title a {
  font-size: 2.4rem;
  line-height: 160%;
  text-decoration: none;
  color: #0ca3e1;
  cursor: pointer;
}

.news-desc {
  padding-top: 2rem;
  display: block;
  color: #838383;
  line-height: 200%;
  text-indent: 2.8rem;
  font-size: 1.4rem;
  margin: 0;
}

.news-list {
  padding: 2rem 0 0 2rem;
}

.news-items {
  height: 7rem;
  overflow: hidden;
}

.news-item {
  margin-bottom: 1rem;
  padding-left: 1.1rem;
  text-align: left;
  background: url(https://ncre.neea.edu.cn/res/Home/structure/object_newslist_bg.gif) no-repeat left 0.8rem;
}

.more-news {
  text-align: right;
  width: 54rem;
}

.more-news a {
  color: #fe8500;
}

/* 功能块区域 */
.functions-section {
  margin: 5rem auto 0;
  padding-bottom: 5rem;
  overflow: hidden;
  width: 100%;
}

.functions-grid {
  overflow: hidden;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.4rem;
}

.function-card {
  float: none;
  width: 27.5rem;
  height: 24rem;
  border: 1px solid #e4e4e4;
  transition: background-image 1s;
  background: #fff;
  margin-left: 0;
}

.function-card:first-child {
  margin-left: 0;
}

.function-title {
  height: 9.5rem;
  margin: 0 0.7rem;
  border-bottom: 1px solid #ccc;
  font-size: 2.5rem;
  color: #111;
  padding-left: 9.5rem;
  text-align: left;
  line-height: 9.5rem;
  background-position: 1rem center;
  background-repeat: no-repeat;
}

.function-intro {
  background-image: url(https://ncre.neea.edu.cn/res/Home/structure/011.png);
}

.function-guide {
  background-image: url(https://ncre.neea.edu.cn/res/Home/structure/022.png);
}

.function-material {
  background-image: url(https://ncre.neea.edu.cn/res/Home/structure/033.png);
}

.function-service {
  background-image: url(https://ncre.neea.edu.cn/res/Home/structure/044.png);
}

.function-content {
  overflow: hidden;
  width: 21rem;
  margin: 0 auto;
  color: #646464;
  line-height: 200%;
  padding-top: 1.5rem;
  text-align: left;
  height: 8rem;
  font-size: 1.4rem;
}

.function-content p {
  margin: 0;
}

.function-services {
  position: relative;
  margin: 0 auto;
  color: #646464;
  line-height: 200%;
  padding: 1.5rem 0 0 1.8rem;
  text-align: left;
  overflow: hidden;
}

.service-list {
  margin: 0;
  padding: 0;
}

.service-item {
  height: 3.3rem;
  line-height: 3.3rem;
  margin-bottom: 0.8rem;
  float: left;
  width: 11.3rem;
  text-align: center;
  background: url(https://ncre.neea.edu.cn/res/Home/structure/160230189.png) left top no-repeat;
  margin-right: 1.2rem;
}

.function-more {
  text-align: right;
  margin: 1.5rem 3rem 0 0;
}

.function-more a {
  color: #0da3e2;
}

/* 页脚样式 */
.site-footer {
  height: 11rem !important;
  background: #f4f4f4;
  color: #303d5d;
  text-align: center;
  font-size: 1.2rem;
  width: 100%;
  margin-top: auto;
}

.footer-content {
  color: #303d5d;
  text-align: center;
  font-size: 1.2rem;
  position: relative;
  height: 11rem;
  width: 100%;
}

.footer-icon {
  position: absolute;
  top: 1.7rem;
  left: -1.4rem;
  width: 8rem;
  height: 8rem;
}

.icon-img {
  text-align: center;
  color: #333;
}

.footer-info {
  color: #303d5d;
  position: absolute;
  top: 2.6rem;
  height: 6rem;
  text-align: left;
  line-height: 180%;
  left: 6.8rem;
}

.record-link {
  display: inline-block;
  text-decoration: none;
  height: 2rem;
  line-height: 2rem;
  color: #303d5d;
}

.record-link img {
  vertical-align: middle;
  position: relative;
  margin-top: -0.3rem;
}

.browser-suggestion {
  display: block;
  text-decoration: none;
  height: 2rem;
  line-height: 2rem;
  color: #303d5d;
}